随笔分类 -  Dancing Links

HUST 1017 Exact cover
摘要：Exact coverhttp://acm.hust.edu.cn/problem.php?id=1017Special Judge Time Limit: 15 Sec Memory Limit: 128 MB Submissions: 5179 Solved: 2748DescriptionThere is an N*M matrix with only 0s and 1s, (1 <= N,M <= 1000). An exact cover is a selection of rows such that every column has a 1 in exactly on 阅读全文
posted @ 2013-04-17 16:19 Jack Ge 阅读(272) 评论(0) 推荐(0) 编辑
HDU 3498 whosyourdaddy
摘要：whosyourdaddyTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1028Accepted Submission(s): 508 Problem Descriptionsevenzero liked Warcraft very much, but he haven't practiced it for several years after being addicted to algorithms. Now, though 阅读全文
posted @ 2013-04-17 15:58 Jack Ge 阅读(412) 评论(0) 推荐(0) 编辑

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